162336144 has 20 divisors (see below), whose sum is σ = 419368496. Its totient is φ = 54112032.

The previous prime is 162336121. The next prime is 162336149. The reversal of 162336144 is 441633261.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (162336149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690954 + ... + 1691049.

Almost surely, 2^162336144 is an apocalyptic number.

It is an amenable number.

162336144 is an abundant number, since it is smaller than the sum of its proper divisors (257032352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162336144 is a wasteful number, since it uses less digits than its factorization.

162336144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382014 (or 3382008 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 162336144 is about 12741.1202019289. The cubic root of 162336144 is about 545.5129631574.

The spelling of 162336144 in words is "one hundred sixty-two million, three hundred thirty-six thousand, one hundred forty-four".